Physics-
General
Easy
Question
The efficiency of a Carnot engine is 50% and temperature of sink is 500 K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of sink will be
- 100 K
- 600 K
- 400 K
- 500 K
The correct answer is: 400 K
As 
Again, 
Or 
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